Bondbeam
结合梁
🗣️ 情景例句
Susan's teddy bear.
Susan送的泰迪熊
If one sheep leap o'er the dyke,all the rest will follow.
一羊跳过沟，众羊跟着跳。
It will be found that the weight moves but slightly or not at all.
结果会发现，重物是动了，但动得很小，甚至没动。